2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/evp.h>
13 #include <openssl/objects.h>
14 #include "internal/evp_int.h"
16 static int null_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
17 const unsigned char *iv, int enc);
18 static int null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
19 const unsigned char *in, size_t inl);
20 static const EVP_CIPHER n_cipher = {
33 const EVP_CIPHER *EVP_enc_null(void)
38 static int null_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
39 const unsigned char *iv, int enc)
44 static int null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
45 const unsigned char *in, size_t inl)